dates,Lower Bound,Median Estimate,Upper Bound
1-Jan-67,0.544235401,1.344903287,2.117507292
1-Apr-67,0.526614407,1.316067504,2.067563166
1-Jul-67,0.394697849,1.26990615,2.090222514
1-Oct-67,0.298250571,1.253706021,2.122182297
1-Jan-68,0.276872686,1.247618865,2.162676014
1-Apr-68,0.212261708,1.241774651,2.200284675
1-Jul-68,0.323904137,1.234178192,2.097440573
1-Oct-68,0.339131944,1.246235025,2.076527579
1-Jan-69,0.362744518,1.285427205,2.167988521
1-Apr-69,0.205145755,1.25662396,2.210041125
1-Jul-69,0.254222853,1.245780983,2.158795565
1-Oct-69,0.251126714,1.209404574,2.065961793
1-Jan-70,0.303380601,1.222486639,2.046425328
1-Apr-70,0.324071387,1.221116922,2.027483216
1-Jul-70,0.349259492,1.215353537,1.998150489
1-Oct-70,0.260124343,1.161034077,1.962931588
1-Jan-71,0.38783112,1.224332484,1.998160919
1-Apr-71,0.315511041,1.196484372,2.031336631
1-Jul-71,0.332517552,1.213257305,2.043683244
1-Oct-71,0.533802811,1.27879325,2.017738591
1-Jan-72,0.463766643,1.237957677,2.000415623
1-Apr-72,0.30379509,1.204263846,2.034272387
1-Jul-72,0.268169933,1.165640061,1.991074089
1-Oct-72,0.252842663,1.146559722,1.965776984
1-Jan-73,-0.054701289,1.038816672,1.992953931
1-Apr-73,-0.471049322,0.82975495,1.909396212
1-Jul-73,-1.01793777,0.629977702,1.901747448
1-Oct-73,-0.660524437,0.660825319,1.77936072
1-Jan-74,-0.871022815,0.526690211,1.658394885
1-Apr-74,-2.061461077,0.051259739,1.577602505
1-Jul-74,-2.182857542,-0.034142221,1.507165935
1-Oct-74,-0.994881288,0.458939433,1.582539553
1-Jan-75,-0.339514075,0.789730889,1.703865673
1-Apr-75,-0.198167574,0.815241321,1.719885994
1-Jul-75,-0.415001274,0.691779338,1.74750029
1-Oct-75,-0.39196991,0.685758363,1.70905833
1-Jan-76,-0.380490586,0.690361402,1.713690496
1-Apr-76,-0.35942668,0.697196418,1.703770784
1-Jul-76,-0.634396481,0.558703432,1.662105077
1-Oct-76,-0.668650328,0.563837895,1.694546111
1-Jan-77,-0.573712403,0.630646333,1.781572857
1-Apr-77,-0.343588765,0.78104083,1.943476065
1-Jul-77,-0.380482489,0.799588563,2.043439883
1-Oct-77,-0.252558615,0.882743547,2.07658369
1-Jan-78,-0.169916558,0.969356862,2.178492043
1-Apr-78,-0.173258278,1.072945977,2.428057143
1-Jul-78,-0.16084352,1.121119232,2.492650484
1-Oct-78,-0.178589826,1.184126447,2.650494177
1-Jan-79,0.115913528,1.314233807,2.613754575
1-Apr-79,-0.145764202,1.250797941,2.729685844
1-Jul-79,0.03060488,1.400132226,2.887167366
1-Oct-79,-0.060915877,1.49094978,3.206131719
1-Jan-80,-0.030558498,1.533242562,3.304149852
1-Apr-80,0.354235556,1.630363511,3.068425889
1-Jul-80,0.659295415,1.766385743,3.018150404
1-Oct-80,0.738641664,2.300869594,4.343004689
1-Jan-81,1.073387261,2.415045429,4.201456788
1-Apr-81,1.294325868,2.552599289,4.268935922
1-Jul-81,1.434548083,2.642360675,4.270339708
1-Oct-81,1.429612313,2.410620314,3.651755154
1-Jan-82,1.594744925,2.718049078,4.211351709
1-Apr-82,1.74352846,2.823425019,4.32105742
1-Jul-82,1.638133621,2.575617695,3.716402123
1-Oct-82,1.759760143,2.701629476,3.88789664
1-Jan-83,1.873901666,2.829594281,4.041200372
1-Apr-83,1.996845711,2.899447847,4.088660191
1-Jul-83,2.128173628,3.171091666,4.642472099
1-Oct-83,2.129149443,3.113036556,4.472485656
1-Jan-84,2.169960371,3.153742664,4.504700792
1-Apr-84,2.203383361,3.248900291,4.71244229
1-Jul-84,2.260474556,3.346989417,4.898896432
1-Oct-84,1.975088294,2.79859372,3.842644803
1-Jan-85,2.072694161,2.978919187,4.194012674
1-Apr-85,2.083081857,2.951196171,4.085651867
1-Jul-85,2.094626992,2.943356554,4.044526335
1-Oct-85,2.045318257,2.841184373,3.843418081
1-Jan-86,2.040691595,2.854792721,3.888186923
1-Apr-86,1.887445116,2.623016534,3.484976853
1-Jul-86,1.877808103,2.586724862,3.411780389
1-Oct-86,1.904816294,2.623133303,3.492167856
1-Jan-87,1.939545028,2.664273057,3.533413823
1-Apr-87,1.956177583,2.72703158,3.683234565
1-Jul-87,1.92973103,2.712578936,3.662295389
1-Oct-87,1.92753525,2.731582217,3.721803419
1-Jan-88,1.808440538,2.576662916,3.499423496
1-Apr-88,1.913865828,2.737262353,3.787163931
1-Jul-88,1.942616842,2.777120267,3.840502609
1-Oct-88,1.967853529,2.784777905,3.834886583
1-Jan-89,1.977884799,2.820876106,3.892608805
1-Apr-89,1.90021858,2.679318594,3.635025613
1-Jul-89,1.720074491,2.424081906,3.230284514
1-Oct-89,1.561170949,2.265805796,3.052384092
1-Jan-90,1.450425153,2.189005154,3.015261721
1-Apr-90,1.325838519,2.067420363,2.883511895
1-Jul-90,1.182135765,1.917156491,2.69830162
1-Oct-90,1.07672423,1.811252181,2.53952948
1-Jan-91,1.016296552,1.732923068,2.40723032
1-Apr-91,1.149133233,1.831584678,2.52002611
1-Jul-91,1.146914244,1.842637354,2.541265079
1-Oct-91,1.067308666,1.757920043,2.418149306
1-Jan-92,1.098778641,1.77619492,2.428730174
1-Apr-92,1.140940251,1.811310297,2.472793975
1-Jul-92,1.100768802,1.779379371,2.42589539
1-Oct-92,1.112309105,1.793871694,2.441962324
1-Jan-93,1.104861328,1.801442957,2.471353548
1-Apr-93,1.134547253,1.824590669,2.503024409
1-Jul-93,1.218241808,1.886576412,2.539716545
1-Oct-93,1.326063336,1.982514819,2.643852385
1-Jan-94,1.415862243,2.073542843,2.763394817
1-Apr-94,1.592803981,2.294649548,3.087435996
1-Jul-94,1.601616109,2.306387568,3.102857579
1-Oct-94,1.716030173,2.431639552,3.29343316
1-Jan-95,1.711238204,2.448387625,3.330220353
1-Apr-95,1.7159914,2.473207701,3.371579476
1-Jul-95,1.711320281,2.451914161,3.30568526
1-Oct-95,1.723318738,2.481330226,3.341696084
1-Jan-96,1.67256763,2.443143936,3.291105846
1-Apr-96,1.821238839,2.634237628,3.576243203
1-Jul-96,1.803935041,2.639001674,3.608209079
1-Oct-96,1.778745958,2.634518229,3.633189394
1-Jan-97,1.74187335,2.596415476,3.591507667
1-Apr-97,1.888656265,2.808284426,3.950093983
1-Jul-97,1.849531793,2.744384774,3.841563725
1-Oct-97,1.794129244,2.68773513,3.789139235
1-Jan-98,1.76140261,2.676218724,3.793407557
1-Apr-98,1.763560685,2.70795563,3.857317803
1-Jul-98,1.703946346,2.63459891,3.772897525
1-Oct-98,1.494886324,2.374901255,3.374666848
1-Jan-99,1.488612319,2.375659132,3.372224713
1-Apr-99,1.447960005,2.334309491,3.326494913
1-Jul-99,1.567369504,2.482407209,3.572490515
1-Oct-99,1.531053123,2.469200657,3.571063224
1-Jan-00,1.431875287,2.36004403,3.462291541
1-Apr-00,1.524064108,2.516134448,3.729541767
1-Jul-00,1.313085684,2.272073446,3.360161376
1-Oct-00,1.200898283,2.149938195,3.228841823
1-Jan-01,0.900078737,1.787113877,2.705497718
1-Apr-01,0.648101546,1.520110296,2.333016258
1-Jul-01,0.574129912,1.43745538,2.238850889
1-Oct-01,0.248350176,1.170982827,1.992105248
1-Jan-02,0.553028191,1.394296171,2.199187027
1-Apr-02,0.509654911,1.371064566,2.191568887
1-Jul-02,0.427205023,1.300345236,2.117312634
1-Oct-02,0.356536424,1.229145333,2.034778483
1-Jan-03,0.340387402,1.20641481,1.995321533
1-Apr-03,0.535316703,1.354821158,2.142630907
1-Jul-03,0.547022591,1.366036078,2.14836016
1-Oct-03,0.530953219,1.34579865,2.134886737
1-Jan-04,0.390974544,1.238059549,2.031548452
1-Apr-04,0.382765211,1.22578462,2.026393733
1-Jul-04,0.601866837,1.399525901,2.194341264
1-Oct-04,0.651551828,1.462240528,2.271801706
1-Jan-05,0.725103496,1.564304583,2.447050273
1-Apr-05,0.747796136,1.581746568,2.459536359
1-Jul-05,0.763476775,1.609111681,2.487949502
1-Oct-05,0.768819241,1.643597099,2.597106186
1-Jan-06,0.837430374,1.787539306,2.851838109
1-Apr-06,0.713930478,1.636533567,2.661367382
1-Jul-06,0.669097886,1.58628724,2.58282962
1-Oct-06,0.713944676,1.655288955,2.680266222
1-Jan-07,0.584101867,1.524650917,2.548710115
1-Apr-07,0.638698598,1.632708018,2.702826122
1-Jul-07,0.524361171,1.485509317,2.499026879
1-Oct-07,0.265516085,1.229376343,2.151901447
1-Jan-08,-0.16424225,0.824952596,1.686968668
1-Apr-08,-0.39963423,0.626269731,1.49613991
1-Jul-08,-0.280023656,0.727107369,1.62808735
1-Oct-08,-1.162914924,0.123195896,1.113020704
1-Jan-09,-0.747738123,0.360014386,1.308402699
1-Apr-09,-0.521979873,0.531785132,1.46555972
1-Jul-09,-0.352477372,0.642787099,1.562127941
1-Oct-09,-0.554918594,0.487928389,1.415770049
1-Jan-10,-0.620876936,0.420281984,1.362166848
1-Apr-10,-0.416615902,0.567080146,1.486516986
1-Jul-10,-0.44421497,0.536271714,1.438662315
1-Oct-10,-0.397619721,0.604746862,1.544716635
1-Jan-11,-0.757585337,0.318505051,1.287021583
1-Apr-11,-0.799774531,0.28438433,1.261554421
1-Jul-11,-0.981352816,0.130301449,1.121203988
1-Oct-11,-0.765955212,0.266948935,1.223276022
1-Jan-12,-0.822446514,0.254976079,1.259064783
1-Apr-12,-0.776168085,0.28880464,1.288866568
1-Jul-12,-0.892913623,0.157432006,1.137759207
1-Oct-12,-1.003813016,0.083715103,1.075983449
1-Jan-13,-0.627887063,0.3774724,1.35614746
1-Apr-13,-0.793947425,0.222496226,1.17225005
1-Jul-13,-0.816463191,0.206476269,1.163316482
1-Oct-13,-0.703069187,0.296250237,1.266451696
1-Jan-14,-0.864873417,0.159209277,1.125205317
1-Apr-14,-0.688939616,0.287097761,1.251997835
1-Jul-14,-0.574722056,0.390686369,1.333731792
1-Oct-14,-0.627116489,0.334163412,1.28079727
1-Jan-15,-0.643010535,0.311844285,1.254441034
1-Apr-15,-0.740827878,0.287699471,1.264464651
1-Jul-15,-0.846479978,0.202291718,1.207366787
1-Oct-15,-0.943803883,0.112467905,1.102922322
1-Jan-16,-0.851041315,0.184428052,1.177815259
1-Apr-16,-0.813302282,0.218139682,1.238566714
1-Jul-16,-0.762221328,0.243056477,1.22422511
1-Oct-16,-0.665889332,0.291561799,1.227532229
1-Jan-17,-0.418578279,0.518383601,1.473722572
1-Apr-17,-0.275413511,0.666132254,1.625708795
1-Jul-17,-0.179698235,0.755494167,1.710837553
1-Oct-17,-0.243074105,0.710313121,1.657147914
1-Jan-18,-0.165640886,0.828434776,1.836762894
1-Apr-18,-0.216131473,0.797414625,1.812224815
1-Jul-18,-0.222267311,0.783131403,1.765778593
1-Oct-18,-0.163150111,0.883805694,1.942896603
1-Jan-19,-0.043798015,1.039821928,2.144318111
1-Apr-19,-0.193965124,0.930510667,2.030850503
1-Jul-19,-0.340290808,0.796473787,1.857377443
1-Oct-19,-0.492043234,0.642130316,1.65353982
1-Jan-20,-0.980531064,0.309879344,1.370075203
1-Apr-20,-2.995067594,-0.683495708,0.820244485
1-Jul-20,-0.222364896,1.015514357,2.239902912